Book light



FIG. 1 is a first perspective view of a book light showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the book light which form no part of the claimed design.

The diagonal lines indicate transparency. 

CLAIM The ornamental design for a book light, as shown and described. 